Author:
Uutela,A.;Tynni,R.
Year:
1991
Title:
Ordovician acritarchs from the Rapla borehole, Estonia
Reference:
Uutela,A. et al. (1991) Ordovician acritarchs from the Rapla borehole, Estonia Geological Survey of Finland, Bulletin # 353 P. 1- 135
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Genus Species Country(Region) From To
Veryhachium Veryhachium cymosum USSR(Estonian SSR) Late Llanvirnian Middle Ashgillian
Veryhachium Veryhachium cymosum USSR(Estonian SSR) Late Llanvirnian
Veryhachium Veryhachium europaeum USSR(Estonian SSR) Late Caradocian Early Ashgillian
Veryhachium Veryhachium geometricum USSR(Estonian SSR) Late Llanvirnian Early Caradocian
Veryhachium Veryhachium irroratum USSR(Estonian SSR) Early Caradocian Middle Ashgillian
Veryhachium Veryhachium lairdii USSR(Estonian SSR) Late Arenigian Ashgillian
Veryhachium Veryhachium longispinosum USSR(Estonian SSR) Caradocian Middle Ashgillian
Veryhachium Veryhachium oklahomense USSR(Estonian SSR) Late Arenigian Ashgillian
Veryhachium Veryhachium oligospinosum USSR(Estonian SSR) Caradocian Late Ashgillian
Veryhachium Veryhachium oligospinosum sp. nov. USSR(Estonian SSR) Late Caradocian
Veryhachium Veryhachium punctatum USSR(Estonian SSR) Early Caradocian Middle Caradocian
Veryhachium Veryhachium punctatum sp. nov. USSR(Estonian SSR) Middle Caradocian
Veryhachium Veryhachium reductum USSR(Estonian SSR) Llandeilian Middle Caradocian
Veryhachium Veryhachium rhombispinosum USSR(Estonian SSR) Late Arenigian Ashgillian
Veryhachium Veryhachium rhomboidium USSR(Estonian SSR) Early Llandoverian
Veryhachium Veryhachium trapezionarion USSR(Estonian SSR) Late Llandeilian Middle Caradocian
Veryhachium Veryhachium trispinosum USSR(Estonian SSR) Late Arenigian Caradocian